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Store New Arrivals Add to Favorite View Feedback Contact Bird Watching Telescope SV47 Powerful Binoculars 8X32/8X42/10X42 Professional IPX7 Waterproof Camping Equipment Survival Bird Watching Telescope SV47 Powerful Binoculars 8X32/8X42/10X42 Professional IPX7 Waterproof Camping Equipment Survival Features: 1.IPX7 waterproof with filling nitrogen. 2.Pure optical fully multi-coated lens and BAK4 Prism 3.Wide angle large field of vision.The eye relief can reach 20.4mm and kilometer field of view up to 110m 4.Multiple gears and twist-up eyecups is suitable for people with different visions.myopic users do not need to remove glasses to enjoy easy observations. 5.Full texture of all metal focusing wheel with better interlocking and diamond pattern design. 6.The skin made of rubber not only can protect the product effectively, but also hold the handle comfortably at the same time 7.Deeper eyecups design with 9.5 mm reduces the probability of dark shadow in the field of vision 8.We can use it to watch birds, watch the moon, watch the scenery, watch sports events, watch concerts, watch animals, etc. It will be our Good Helper , I believe you will not regret having it. Specification: Model:10X42/8X42/8X32 Eyepiece Diameter:19.5mm/21mm/21mm Type of Prism:Roof Bak4 Prism Coating:Aluminizing Lens:FMC Focus System:Cent. Focusing Lens:Int. Angle:5.8°/6.3°/7.38° Ft/1,000Yds:304ft/330ft/387ft M/1,000M:101m/110m/130m M / Ft.:4.5m/14.8ft;4.5m/14.8ft;3m/10ft Resolution:5.6"/5.6"/6.8" Eyecups:Twist-up Exit Pupil:4.2mm/5.18mm/4mm Eye Relief:16.9mm/20.4mm/16.8mm Diopter System:Right Ocular Diopter COMP.:±3D Interpupillary Dist.:55~75mm Tripod Adapter Interface:Yes Water Proof:IPX7 Nitrogen Filled:Yes Bak-4 Prisms that maximizes light transmission Type bak4 glass is a fine,dense optical glass that removes glass effctively internal lighting reduces light losses,but the price is more expensive generally used in high-end optical products IPX7 Waterproof & Fog-proof Injecting nitrogen into the telescope's sealed barrel can effectively prevent moisture from entering, waterproof and anti-fog, and can be used normally even in very harsh environments, greatly improving the service life. Fully Multi-coated Lens Fully Multi-coated Glass means multiple coatings on all lens surfaces. And all air-to-glass surfaces are anti-reflective multi-layer coated. And fully multi-coated objective lensincreases the light transmission, delivers bright, clears and crisps images even in low-light conditions. The optical structure uses a 3-piece objective lens, a focusing lens, a set of high-precision roof prisms, and a 4-piece 3-group eyepiece. Usually, the objective lens of binoculars is two-piece, and the three-piece type can reduce the aberration and improve the image quality, but the cost is also higher. Wide angle large field of vision, comfortable and long eye relief, humanized observation experience. Multiple gears and twist-up eyecupsare suitable for people with different visions, and myopic users do not need to remove glasses to enjoy easy observations.So whether you wear glasses or not, you can find the comfortable observation position by adjusting the eyecups. Deeper eyecups design with 9.5 mm reduces the probability of dark shadow in the field of vision. The skin is made of rubber and that not only protects the product effectively, but also holds the handle comfortably at the same time. Eyepiece cover design： One end closed and one end open and closed. After removing the eyepiece cover there is still one end hanging on the neck strap, convenient for viewing and not easy to lose. Real Effect Display Parcel Detail SV47 Binoculars Telescope Carrying Bag Neck Strap Lens Cleaning Cloth Lens Covers User Manual model SV47 Binoculars magnification 8/10 objective lens diameter 32mm/42mm eyepiece diameter 19.5mm/21mm field of view 5.8°/6.3°/ 7.38° type Binoculars hign-concerned chemical none water resistance level IPX7 origin Mainland China lens coating description FMC focus type CENTRAL prism description BAK4 choice yes Product Dimensions: 16.0 inches x 20.0 inches x 8.0 inches. Weight: 0.905 kg